Forced to abandon their land that was sold to the United States, a group of Mexicans turns into bandits. Their leader, Rojas, with the help of Trevor organizes a big robbery. But, caught by the sheriff, he is condemned to 20 years of prison. Threatening to torture Rojas' son, Trevor learns where the money is hidden, not realizing that Rojas' revenge would be so ruthless...

Doc McGregor, former surgeon become player, is wrongly accused of murder and pursued by Slade, a bounty hunter. In his escape he finds Larry Kitchener's corpse and decides to impersonate him. But his problems get worse as Kitchener was a famous gunslinger hired as sheriff for the people from Baldosas to stop Reyes, a Mexican bandit who has terrorized them.